Consider the following statement: ‘female, w+w flies have red eyes’. In this example: Group of answer choices 1) w+w is the genotype, and red eyes is the phenotype 2) female is the genotype, and red eyes is the phenotype 3) not enough information provided to determine genotype or phenotype 4) red eyes is the genotype, and w+w is the phenotype

Consider the following statement: ‘female, w+w flies have red eyes’. In this example: Group of answer choices 1) w+w is the genotype, and red eyes is the phenotype 2) female is the genotype, and red eyes is the phenotype 3) not enough information provided to determine genotype or phenotype 4) red eyes is the genotype, and w+w is the phenotype

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations

Section: Chapter Questions

Problem 2QP: Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the...

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A wild-type fruit fly (heterozygous for gray body color and red eyes) is mated with a black fruit fly with purple eyes. The offspring are wildtype, 721; black purple, 751; gray purple, 49; black red, 45. What is the recombination frequency between these genes for body color and eye color? Using information from problem 3, what fruit flies (genotypes and phenotypes) would you mate to determine the order of the body color, wing size, and eye color genes on the chromosome?
In humans, Rh-positive individuals have the Rh antigen on their red blood cells, while Rh-negative individuals do not. If the Rh-positive phenotype is produced by a dominant gene (A), and the Rh-negative phenotype is due to its recessive allele (a), what is the frequency of the Rh-positive allele if 84% of a population is Rh-positive?
For each of the following, identify what characteristics of a species male and female karyotype would indicate that mechanism of sex-determination. In each case, list a characteristic that would be specific to only that sex-determination system if possible. If no such characteristic is possible, specify which other sex-determination system would show the same karyotype characteristic. (A) Genic (B) XY sex chromosomes (C) ZW sex chromosomes (D) Haplo-diploid genomes (E) XO sex chromosomes (F) Environmental
Using the following single letter gene designations. R - dominant allele for purple colored kernel r - recessive allele for yellow colored kernel S - dominant allele for smooth kernel s - recessive allele for wrinkled kernel What is the phenotype of an individual with the genotype RRss?
In genetics, the dash symbol (–) is a “wild card” that stands for either the dominant allele or the recessive allele; for example, A– means the individual has either the genotype AA or Aa. Two genes that undergo independent assortment affect coat color in Duroc pigs. Each gene has two alleles, one of which is dominant for coat color. Genotypes of the form A– B– are red, those of the form A– bb and aa B– are sandy, and genotype aa bb is white. What ratio of red:sandy:white is expected from the cross Aa Bb x Aa Bb?
In Figure 5-15, how are each of the following genotypesproduced?a. F+ a− c. F− a+b. F− a− d. F+ a+
In rabbits, the gene that codes for a spotted coat is dominant over the gene that codes for a solid coat, and the gene for the coat's black color is dominant over the gene for the coat's brown color. If a spotted, black-coated rabbit mates with a solid, brown-coated rabbit, what are the genotypes and phenotypes of their offspring?
If a parent with a B-negative blood type reproduces with a parent with O-negative blood type what is the probability that an offspring could have an A-negative blood type. 0%, 25%, 50%, 100% If a parent with AB-positive blood type reproduces with a parent of O-negative blood type what is the probability of that offspring could have a A-negative blood type. 0%, 25%, 50%, 100%.
A- Using a Punnett Square show a cross between a homozygous red fox with a homozygous white fox. Let red be dominant. Give the genotype and phenotype for F1 and F2 generations. B- Using a Punnett Square show the cross between a heterozygous gray skunk with a homozygous white skunk. Let gray be dominant. Give the genotype and phenotype for F1.
what is the difference of FISH and karyotype?
Suppose that in a mammalian species, the allele for black hair (B) is dominant to the allele for brown hair (b), and the allele for curly hair (C) is dominant to the allele for straight hair (c). When an organism of unknown genotype is crossed against one with straight, brown hair, the phenotypic ratio is as follows: 25% curly black hair 25% straight black hair 25% curly brown hair 25% straight brown hair What is the genotype of the unknown parent? A. BbCC B. bbCc C. Bbcc D. BbCc
When two mutant flies having white eyes were crossed, all of the offspring showed wild type red eyes. How is this possible? The parents carried mutations on different but complementary genes whose products are both required for the red eye phenotype. The parents carried different mutations on the same gene whose product is required for the red eye phenotype. The parents carry recessive lethal mutations that affect the survival of the white-eyed flies among the offspring. The red eye phenotype is recessive to the white eye phenotype, which is why the red eye only appears in the F1 generation. The white eye allele shows dominant epistasis over the red eye allele.